QQuakeFacts
USGS iscgem884175

12 Apr 1958, 13:25

70 km E of Hirara, Japan

A magnitude 6 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 70 km E of Hirara, Japan?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

24.853000, 125.996000

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What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Catalog fields and provenance
Event ID
iscgem884175
Coordinates
24.853, 125.996
Network
iscgem
Significance
561